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Finding the Fourth Proportional to 327,706.10, 492,077.55 and 239,578.10

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Solution

The fourth proportional to 327,706.10, 492,077.55 and 239,578.10 is: 359,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,706.10 : 492,077.55 = 239,578.10 : x
  2. Step 2: Convert to fraction form
    327,706.10/492,077.55 = 239,578.10/x
  3. Step 3: Cross multiply
    327,706.10x = 492,077.55 × 239,578.10
  4. Step 4: Simplify right side
    327,706.10x = 117,891,004,481.66
  5. Step 5: Solve for x
    x = 117,891,004,481.66/327,706.10
  6. Step 6: Final answer
    x = 359,746.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.